Fig. 1 - A DRY SOIL. Fig. 2 - A WET SOIL. Fig. 3 - A DRAINED SOIL. Fig. 4 - MAP OF LAND, WITH SWAMPS, ROCKS, SPRINGS AND TREES. INTENDED TO REPRESENT A FIELD OF TEN ACRES BEFORE DRAINING. Fig. 5 - MAP WITH 50-FOOT SQUARES, AND CONTOUR LINES. Fig. 6 - LEVELLING INSTRUMENT. Fig. 7 - LEVELLING ROD. Fig. 8 - MAP WITH CONTOUR LINES. Fig. 9 - WELL’S CLINOMETER. Fig. 10 - STONE PIT TO CONNECT SPRING WITH DRAIN. Fig. 11 - STONE AND TILE BASIN FOR SPRING WITH DRAIN. Fig. 12 - LINE OF SATURATION BETWEEN DRAINS. Fig. 13 - HORSE-SHOE TILE. Fig. 14 - SOLE TILE. Fig. 15 - DOUBLE-SOLE TILE. Fig. 16 - ROUND TILE AND COLLAR, AND THE SAME AS LAID. Fig. 19 - THREE PROFILES OF DRAINS, WITH DIFFERENT INCLINATIONS. Fig. 20 - MAP WITH DRAINS AND CONTOUR LINES. Fig. 21 - PROFILE OF DRAIN C. Fig. 22 - SET OF TOOLS. Fig. 23 - OUTLET, SECURED WITH MASONRY AND GRATING. Fig. 24 - SILT-BASIN, BUILT TO THE SURFACE. Fig. 25 - FINISHING SPADE. Fig. 26 - FINISHING SCOOP. Fig. 27 - BRACING THE SIDES IN SOFT LAND. Fig. 28 - MEASURING STAFF. Fig. 29 - BONING ROD. Fig. 30 - POSITION OF WORKMAN AND USE OF FINISHING SCOOP. Fig. 31 - SIGHTING BY THE BONING-RODS. Fig. 32 - PICK FOR DRESSING AND PREFORATING TILE. Fig. 33 - LATERAL DRAIN ENTERING AT TOP. Fig. 34 - SECTIONAL VIEW OF JOINT. Fig. 35 - SQUARE BRICK SILT-BASIN. Fig. 36 - SILT-BASIN OF VITRIFIED PIPE. Fig. 37 - TILE SILT-BASIN. Fig. 38 - MAUL FOR RAMMING. Fig. 39 - BOARD SCRAPER FOR FILLING DITCHES. Fig. 40 - CROSS-SECTION OF DITCH (FILLED), WITH FURROW AT EACH SIDE. Fig. 41 - FOOT PICK. Fig. 42 - PUG-MILL. Fig. 43 - PLATE OF DIES. Fig. 44 - CHEAP WOODEN MACHINE. Fig. 45 - MANDRIL FOR CARRYING TILES FROM MACHINE. Fig. 46 - CLAY-KILN. Fig. 47 - DYKE AND DITCH. Fig. 48 - OLD STYLE HOUSE DRAINAGE AND SEWERAGE. Fig. 49 - MODERN HOUSE DRAINAGE AND SEWERAGE. CONTENTS CHAPTER I. - LAND TO BE DRAINED AND THE REASONS WHY. CHAPTER II. - HOW DRAINS ACT, AND HOW THEY AFFECT THE SOIL CHAPTER III. - HOW TO GO TO WORK TO LAY OUT A SYSTEM OF DRAINS. CHAPTER IV. - HOW TO MAKE THE DRAINS. CHAPTER V. - HOW TO TAKE CARE OF DRAINS AND DRAINED LAND. CHAPTER VI. - WHAT DRAINING COSTS. CHAPTER VII. - "WILL IT PAY?" CHAPTER VIII. - HOW TO MAKE DRAINING TILES. CHAPTER IX. - THE RECLAIMING OF SALT MARSHES. CHAPTER X. - MALARIAL DISEASES. CHAPTER XI. - HOUSE DRAINAGE AND TOWN SEWERAGE IN THEIR RELATIONS TO THE PUBLIC HEALTH. INDEX CHAPTER I. - LAND TO BE DRAINED AND THE REASONS WHY.